The Effects of Social Reinforcement and Task Difficulty Level on the Pleasure Derived by Normal and Retarded Children from Cognitive Challenge and Mastery

Harter, Susan

Journal of Experimental Child Psychology, 24, 3, 476-94, Dec 77

In this study, designed to explore the relationship between pleasure and cognitive challenge, 32 normal first grade children and 32 MA-matched familial mentally retarded children were given puzzles representing four difficulty levels. (Author/SB)